llvm/test/tools/llvm-exegesis/X86/latency/memory-annotations.s

   1 # REQUIRES: exegesis-can-measure-latency, x86_64-linux
   2
   3 # Test the basic functionality of memory annotations, namely that we can
   4 # specify a memory definition, map it into the process, and then use the
   5 # specified memory.
   6
   7 # RUN: llvm-exegesis -mtriple=x86_64-unknown-unknown -mode=latency -snippets-file=%s -execution-mode=subprocess | FileCheck %s
   8 # RUN: llvm-exegesis -mtriple=x86_64-unknown-unknown -mode=latency -snippets-file=%s -execution-mode=subprocess -repetition-mode=loop | FileCheck %s
   9
  10 # CHECK: measurements:
  11 # CHECK-NEXT: value: {{.*}}, per_snippet_value: {{.*}}
  12
  13 # TODO: Sometimes transiently fails on PTRACE_ATTACH
  14 # ALLOW_RETRIES: 2
  15
  16 # LLVM-EXEGESIS-MEM-DEF test1 4096 2147483647
  17 # LLVM-EXEGESIS-MEM-MAP test1 1048576
  18
  19 movq $1048576, %rax
  20 movq (%rax), %rdi